Beijing-Tianjin-Hebei and its surrounding areas(hereinafter referred to as“2+26”cities)are one of the most severe air pollution areas in China.The fine particulate matter(PM_(2.5))and surface ozone(O_(3))pollution h...Beijing-Tianjin-Hebei and its surrounding areas(hereinafter referred to as“2+26”cities)are one of the most severe air pollution areas in China.The fine particulate matter(PM_(2.5))and surface ozone(O_(3))pollution have aroused a significant concern on the national scale.In this study,we analyzed the pollution characteristics of PM_(2.5) and O_(3) in“2+26”cities,and then estimated the health burden and economic loss before and after the implementation of the joint PM_(2.5)-O_(3) control policy.During 2017–2019,PM_(2.5) concentration reduced by 19%while the maximum daily 8 hr average(MDA8)O_(3) stayed stable in“2+26”cities.Spatially,PM_(2.5) pollution in the south-central area and O_(3) pollution in the central region were more severe than anywhere else.With the reduction in PM_(2.5) concentration,premature deaths fromPM_(2.5) decreased by 18%from 2017 to 2019.In contrast,premature deaths from O_(3) increased by 5%.Noticeably,the huge potential health benefits can be gained after the implementation of a joint PM_(2.5)-O_(3) control policy.The premature deaths attributed to PM_(2.5) and O_(3) would be reduced by 91.6%and 89.1%,and the avoidable economic loss would be 60.8 billion Chinese Yuan(CNY),and 68.4 billion CNY in 2035 compared with that in 2019,respectively.Therefore,it is of significance to implement the jointPM_(2.5)-O_(3) control policy for improving public health and economic development.展开更多
基金supported by the Overseas Talents Introduction Funded Project of Hebei Province(No.C20200308)the Science and Technology Project of Hebei Education Department(No.ZD2020135).
文摘Beijing-Tianjin-Hebei and its surrounding areas(hereinafter referred to as“2+26”cities)are one of the most severe air pollution areas in China.The fine particulate matter(PM_(2.5))and surface ozone(O_(3))pollution have aroused a significant concern on the national scale.In this study,we analyzed the pollution characteristics of PM_(2.5) and O_(3) in“2+26”cities,and then estimated the health burden and economic loss before and after the implementation of the joint PM_(2.5)-O_(3) control policy.During 2017–2019,PM_(2.5) concentration reduced by 19%while the maximum daily 8 hr average(MDA8)O_(3) stayed stable in“2+26”cities.Spatially,PM_(2.5) pollution in the south-central area and O_(3) pollution in the central region were more severe than anywhere else.With the reduction in PM_(2.5) concentration,premature deaths fromPM_(2.5) decreased by 18%from 2017 to 2019.In contrast,premature deaths from O_(3) increased by 5%.Noticeably,the huge potential health benefits can be gained after the implementation of a joint PM_(2.5)-O_(3) control policy.The premature deaths attributed to PM_(2.5) and O_(3) would be reduced by 91.6%and 89.1%,and the avoidable economic loss would be 60.8 billion Chinese Yuan(CNY),and 68.4 billion CNY in 2035 compared with that in 2019,respectively.Therefore,it is of significance to implement the jointPM_(2.5)-O_(3) control policy for improving public health and economic development.
